{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101035",
    "entityType": "User",
    "nonce": "0xb1d01ebd1a0eaba7f1abc1fa2893c58b6024f7a571e2d5d70744a7ade5aac9c8",
    "signature": "0x1a942e1269c95143b6885af1da4220613c4c53bb5ca66765695e9e7baafa3527616e4070aa94e6761a0d17d5d92ccf0047437c2263874a55393c8570ca5aa7d81b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}