{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937299109",
    "entityType": "User",
    "nonce": "0xb09e6701a3593e460d65a81ab59fdd1294f2e056c9beafcb7e1e50e8495080fd",
    "signature": "0xdbae5e3bdbbe513f1618cff8730da60d78a1de73135dda410c40c71c82c851df4bc61c611b25da59861a7a0d73b174b0200ad49c5d439870ca9f082057d8ae701c",
    "signer": "0x811B619477Ea800Cc8e7fDd08cEA323eC3E06411",
    "userId": "791433195"
  }
}