{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126153",
    "entityType": "User",
    "nonce": "0x5a2b3bbde14e366f7c154cfffb2ee23cb051713264e9df1a4b9325301ef93fc6",
    "signature": "0x8841a47545ffc5b5363c2c05c00b498b8a987ce8e9ed221dfd80026442997b8307ec479c21649643f14035188f86bc35663adfa2cf078657eac2599b5d294fa41b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}