{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89797",
    "entityType": "User",
    "nonce": "0x2810935282fce0cf3e6c7255510959a38f0a6d957ff124da7697db57d21d9b1c",
    "signature": "0x0431bbdd41b1911b8a7413225662c5f4df64ecca5de902a4a88e8efbbe9ece3f1e07902f16d058ce14551c22cd7e3ace2b75aff98c752f1bc7333b73e853a2bb1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}