{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208551",
    "entityType": "User",
    "nonce": "0xe11361b2e03bc88fd1ad3e78d995de0f4a411aa98feef70ad3095a601c35a774",
    "signature": "0xf09f17aa6abda9da6419e671d68cbb4e7c07e275518afec020372ed2a1edc2003fd09128f07893c1537db7d188ef4460021be415b099058fcbd49dac909ce4741b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}