{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x332c4ad06bc4f77164a2a0ef6685f72bac46a1c00d6cf88ab83cfd8d5490ee8c",
    "signature": "0xbacdd7e9c3acfbbd330ca6f708ba334118d5929b5411facdf90fb96416571c027b9425af8f76c160087b07202b48e62dc6ed0439928210672d1262d2d1855ac81b",
    "signer": "0x94Ef4Ca6B42df59314596255cAC79cCC205633bD",
    "userId": "982070031"
  }
}