{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58440",
    "entityType": "User",
    "nonce": "0x95ca01979addda973acf4d6c0fb6d4a46f3d4ee07455525f854517af2ca8a95d",
    "signature": "0xa2c3874da22b3f6673b0b5f48104708194cc4c554c76ddc69e5fb970242ed5f924dd84a27d55c91dde298fe688159e2e51e8abac8f13e814ef8229b163b30b061b",
    "signer": "0x569a23a5D506E4404139fB7510738Ee5b80F5624",
    "userId": "280440301"
  }
}