{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "918437042",
    "entityType": "User",
    "nonce": "0x4037ab458a42db673a56b630c1149f987831104eda400a73403c973f76077dc5",
    "signature": "0xd754f394a982149d1d42b6166310a8c2f2dc6207c084ea771ed088ed5d3fe9000c940a297bc6d7bda36b05a1ef536cf2dd52f9db979dce04cc473a4fbdc2691e1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}