{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10610",
    "entityType": "User",
    "nonce": "0x8b943f7edd551b755ab672626776705b81f3904c65c094fd4e77bdc757791a82",
    "signature": "0xe3df83a4bf7a3447abdfff7a48b8cd4eb17cd2680730e109f2f6fc1be8b3596e1e469b68d07f3a874dd411e385b85331a8d575ff665b61df6ec8ebcba3ac9d421b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}