{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "102006",
    "entityType": "User",
    "nonce": "0xb1ca9c9cda910aec7c0fef7cb19761139fccaedf10eb272a8e35486252fed146",
    "signature": "0xb7222d476a8a141d60f602cce3289bff466c77279a145a7e7038fc32250854875d92b781f8a72549cc0d970bc73f6b759269b273d932d233a3af33d5126d535a1c",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}