{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235412",
    "entityType": "User",
    "nonce": "0xc895354d0ea4bba9360985fe4f9d825e8b148ec41ee7136b85e4b33cd512fef6",
    "signature": "0xdef2fc0faa69368c351b16f741c455a74f04c7944d09e3440e0429923e4223116f33f81b1a2087dd4bf4a983fa80d6985c2a21811a518f537a941961645fa4de1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}