{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "960158487",
    "entityType": "User",
    "nonce": "0xecbc0bfec96b5967cfac588c67b17c3c71a727a3a862879654a413be9debe2f8",
    "signature": "0x1c26ea4aad56b17ab7f2d605f518736e562f908c1800c9e6e2312e58a631b1e46ce34553fac20f685054e48c12d615b2895f61dd84c395fdf5fce8d3483ad8d31b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}